U.S. Marine Corps Cpl. Clarence Wimberly a U.S. Marine with the Black Sea Rotational Force, poses with a Romanian couple attending Open Gates Day at the Naval Port of Constanța, Romania, Aug. 6, 2016. Black Sea Rotational Force is an annual multilateral security cooperation activity between the U.S. Marine Corps and partner nations in the Black Sea, Balkan and Caucasus regions designed to enhance participants’ collective professional military capacity, promote regional stability and build enduring relationships with partner nations. (U.S. Marine Corps photo by Cpl. Kyle C. Talbot) - U.S. Marine Corps Cpl. Clarence Wimberly a U.S. Marine with the Black Sea Rotational Force, poses with a Romanian couple attending Open Gates Day at the Naval Port of Constanța, Romania, Aug. 6, 2016. Black Sea Rotational Force is an annual multilateral security cooperation activity between the U.S. Marine Corps and partner nations in the Black Sea, Balkan and Caucasus regions designed to enhance participants’ collective professional military capacity, promote regional stability and build enduring relationships with partner nations. (U.S. Marine Corps photo by Cpl. Kyle C. Talbot)